drivers/net/wireless/iwlwifi/iwl-debugfs.c

   1 /******************************************************************************
   2  *
   3  * GPL LICENSE SUMMARY
   4  *
   5  * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  19  * USA
  20  *
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called LICENSE.GPL.
  23  *
  24  * Contact Information:
  25  *  Intel Linux Wireless <ilw@linux.intel.com>
  26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27  *****************************************************************************/
  28
  29 #include <linux/slab.h>
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/debugfs.h>
  33
  34 #include <linux/ieee80211.h>
  35 #include <net/mac80211.h>
  36
  37
  38 #include "iwl-dev.h"
  39 #include "iwl-debug.h"
  40 #include "iwl-core.h"
  41 #include "iwl-io.h"
  42 #include "iwl-calib.h"
  43
  44 /* create and remove of files */
  45 #define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
  46         if (!debugfs_create_file(#name, mode, parent, priv,             \
  47                                  &iwl_dbgfs_##name##_ops))              \
  48                 goto err;                                               \
  49 } while (0)
  50
  51 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
  52         struct dentry *__tmp;                                           \
  53         __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,           \
  54                                     parent, ptr);                       \
  55         if (IS_ERR(__tmp) || !__tmp)                                    \
  56                 goto err;                                               \
  57 } while (0)
  58
  59 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                         \
  60         struct dentry *__tmp;                                           \
  61         __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,            \
  62                                    parent, ptr);                        \
  63         if (IS_ERR(__tmp) || !__tmp)                                    \
  64                 goto err;                                               \
  65 } while (0)
  66
  67 /* file operation */
  68 #define DEBUGFS_READ_FUNC(name)                                         \
  69 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
  70                                         char __user *user_buf,          \
  71                                         size_t count, loff_t *ppos);
  72
  73 #define DEBUGFS_WRITE_FUNC(name)                                        \
  74 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
  75                                         const char __user *user_buf,    \
  76                                         size_t count, loff_t *ppos);
  77
  78
  79 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
  80 {
  81         file->private_data = inode->i_private;
  82         return 0;
  83 }
  84
  85 #define DEBUGFS_READ_FILE_OPS(name)                                     \
  86         DEBUGFS_READ_FUNC(name);                                        \
  87 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  88         .read = iwl_dbgfs_##name##_read,                                \
  89         .open = iwl_dbgfs_open_file_generic,                            \
  90 };
  91
  92 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
  93         DEBUGFS_WRITE_FUNC(name);                                       \
  94 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  95         .write = iwl_dbgfs_##name##_write,                              \
  96         .open = iwl_dbgfs_open_file_generic,                            \
  97 };
  98
  99
 100 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
 101         DEBUGFS_READ_FUNC(name);                                        \
 102         DEBUGFS_WRITE_FUNC(name);                                       \
 103 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 104         .write = iwl_dbgfs_##name##_write,                              \
 105         .read = iwl_dbgfs_##name##_read,                                \
 106         .open = iwl_dbgfs_open_file_generic,                            \
 107 };
 108
 109 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 110                                                 char __user *user_buf,
 111                                                 size_t count, loff_t *ppos) {
 112
 113         struct iwl_priv *priv = file->private_data;
 114         char *buf;
 115         int pos = 0;
 116
 117         int cnt;
 118         ssize_t ret;
 119         const size_t bufsz = 100 +
 120                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 121         buf = kzalloc(bufsz, GFP_KERNEL);
 122         if (!buf)
 123                 return -ENOMEM;
 124         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 125         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 126                 pos += scnprintf(buf + pos, bufsz - pos,
 127                                  "\t%25s\t\t: %u\n",
 128                                  get_mgmt_string(cnt),
 129                                  priv->tx_stats.mgmt[cnt]);
 130         }
 131         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
 132         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 133                 pos += scnprintf(buf + pos, bufsz - pos,
 134                                  "\t%25s\t\t: %u\n",
 135                                  get_ctrl_string(cnt),
 136                                  priv->tx_stats.ctrl[cnt]);
 137         }
 138         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 139         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 140                          priv->tx_stats.data_cnt);
 141         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 142                          priv->tx_stats.data_bytes);
 143         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 144         kfree(buf);
 145         return ret;
 146 }
 147
 148 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
 149                                         const char __user *user_buf,
 150                                         size_t count, loff_t *ppos)
 151 {
 152         struct iwl_priv *priv = file->private_data;
 153         u32 clear_flag;
 154         char buf[8];
 155         int buf_size;
 156
 157         memset(buf, 0, sizeof(buf));
 158         buf_size = min(count, sizeof(buf) -  1);
 159         if (copy_from_user(buf, user_buf, buf_size))
 160                 return -EFAULT;
 161         if (sscanf(buf, "%x", &clear_flag) != 1)
 162                 return -EFAULT;
 163         iwl_clear_traffic_stats(priv);
 164
 165         return count;
 166 }
 167
 168 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 169                                                 char __user *user_buf,
 170                                                 size_t count, loff_t *ppos) {
 171
 172         struct iwl_priv *priv = file->private_data;
 173         char *buf;
 174         int pos = 0;
 175         int cnt;
 176         ssize_t ret;
 177         const size_t bufsz = 100 +
 178                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 179         buf = kzalloc(bufsz, GFP_KERNEL);
 180         if (!buf)
 181                 return -ENOMEM;
 182
 183         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 184         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 185                 pos += scnprintf(buf + pos, bufsz - pos,
 186                                  "\t%25s\t\t: %u\n",
 187                                  get_mgmt_string(cnt),
 188                                  priv->rx_stats.mgmt[cnt]);
 189         }
 190         pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
 191         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 192                 pos += scnprintf(buf + pos, bufsz - pos,
 193                                  "\t%25s\t\t: %u\n",
 194                                  get_ctrl_string(cnt),
 195                                  priv->rx_stats.ctrl[cnt]);
 196         }
 197         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 198         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 199                          priv->rx_stats.data_cnt);
 200         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 201                          priv->rx_stats.data_bytes);
 202
 203         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 204         kfree(buf);
 205         return ret;
 206 }
 207
 208 #define BYTE1_MASK 0x000000ff;
 209 #define BYTE2_MASK 0x0000ffff;
 210 #define BYTE3_MASK 0x00ffffff;
 211 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 212                                         char __user *user_buf,
 213                                         size_t count, loff_t *ppos)
 214 {
 215         u32 val;
 216         char *buf;
 217         ssize_t ret;
 218         int i;
 219         int pos = 0;
 220         struct iwl_priv *priv = file->private_data;
 221         size_t bufsz;
 222
 223         /* default is to dump the entire data segment */
 224         if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
 225                 priv->dbgfs_sram_offset = 0x800000;
 226                 if (priv->ucode_type == UCODE_INIT)
 227                         priv->dbgfs_sram_len = priv->ucode_init_data.len;
 228                 else
 229                         priv->dbgfs_sram_len = priv->ucode_data.len;
 230         }
 231         bufsz =  30 + priv->dbgfs_sram_len * sizeof(char) * 10;
 232         buf = kmalloc(bufsz, GFP_KERNEL);
 233         if (!buf)
 234                 return -ENOMEM;
 235         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
 236                         priv->dbgfs_sram_len);
 237         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 238                         priv->dbgfs_sram_offset);
 239         for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
 240                 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
 241                                         priv->dbgfs_sram_len - i);
 242                 if (i < 4) {
 243                         switch (i) {
 244                         case 1:
 245                                 val &= BYTE1_MASK;
 246                                 break;
 247                         case 2:
 248                                 val &= BYTE2_MASK;
 249                                 break;
 250                         case 3:
 251                                 val &= BYTE3_MASK;
 252                                 break;
 253                         }
 254                 }
 255                 if (!(i % 16))
 256                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 257                 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
 258         }
 259         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 260
 261         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 262         kfree(buf);
 263         return ret;
 264 }
 265
 266 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 267                                         const char __user *user_buf,
 268                                         size_t count, loff_t *ppos)
 269 {
 270         struct iwl_priv *priv = file->private_data;
 271         char buf[64];
 272         int buf_size;
 273         u32 offset, len;
 274
 275         memset(buf, 0, sizeof(buf));
 276         buf_size = min(count, sizeof(buf) -  1);
 277         if (copy_from_user(buf, user_buf, buf_size))
 278                 return -EFAULT;
 279
 280         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 281                 priv->dbgfs_sram_offset = offset;
 282                 priv->dbgfs_sram_len = len;
 283         } else {
 284                 priv->dbgfs_sram_offset = 0;
 285                 priv->dbgfs_sram_len = 0;
 286         }
 287
 288         return count;
 289 }
 290
 291 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 292                                         size_t count, loff_t *ppos)
 293 {
 294         struct iwl_priv *priv = file->private_data;
 295         struct iwl_station_entry *station;
 296         int max_sta = priv->hw_params.max_stations;
 297         char *buf;
 298         int i, j, pos = 0;
 299         ssize_t ret;
 300         /* Add 30 for initial string */
 301         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 302
 303         buf = kmalloc(bufsz, GFP_KERNEL);
 304         if (!buf)
 305                 return -ENOMEM;
 306
 307         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 308                         priv->num_stations);
 309
 310         for (i = 0; i < max_sta; i++) {
 311                 station = &priv->stations[i];
 312                 if (!station->used)
 313                         continue;
 314                 pos += scnprintf(buf + pos, bufsz - pos,
 315                                  "station %d - addr: %pM, flags: %#x\n",
 316                                  i, station->sta.sta.addr,
 317                                  station->sta.station_flags_msk);
 318                 pos += scnprintf(buf + pos, bufsz - pos,
 319                                 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
 320                 pos += scnprintf(buf + pos, bufsz - pos,
 321                                 "start_idx\tbitmap\t\t\trate_n_flags\n");
 322
 323                 for (j = 0; j < MAX_TID_COUNT; j++) {
 324                         pos += scnprintf(buf + pos, bufsz - pos,
 325                                 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
 326                                 j, station->tid[j].seq_number,
 327                                 station->tid[j].agg.txq_id,
 328                                 station->tid[j].agg.frame_count,
 329                                 station->tid[j].tfds_in_queue,
 330                                 station->tid[j].agg.start_idx,
 331                                 station->tid[j].agg.bitmap,
 332                                 station->tid[j].agg.rate_n_flags);
 333
 334                         if (station->tid[j].agg.wait_for_ba)
 335                                 pos += scnprintf(buf + pos, bufsz - pos,
 336                                                  " - waitforba");
 337                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 338                 }
 339
 340                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 341         }
 342
 343         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 344         kfree(buf);
 345         return ret;
 346 }
 347
 348 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 349                                        char __user *user_buf,
 350                                        size_t count,
 351                                        loff_t *ppos)
 352 {
 353         ssize_t ret;
 354         struct iwl_priv *priv = file->private_data;
 355         int pos = 0, ofs = 0, buf_size = 0;
 356         const u8 *ptr;
 357         char *buf;
 358         u16 eeprom_ver;
 359         size_t eeprom_len = priv->cfg->eeprom_size;
 360         buf_size = 4 * eeprom_len + 256;
 361
 362         if (eeprom_len % 16) {
 363                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
 364                 return -ENODATA;
 365         }
 366
 367         ptr = priv->eeprom;
 368         if (!ptr) {
 369                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
 370                 return -ENOMEM;
 371         }
 372
 373         /* 4 characters for byte 0xYY */
 374         buf = kzalloc(buf_size, GFP_KERNEL);
 375         if (!buf) {
 376                 IWL_ERR(priv, "Can not allocate Buffer\n");
 377                 return -ENOMEM;
 378         }
 379         eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
 380         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
 381                         "version: 0x%x\n",
 382                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 383                          ? "OTP" : "EEPROM", eeprom_ver);
 384         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 385                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 386                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 387                                    buf_size - pos, 0);
 388                 pos += strlen(buf + pos);
 389                 if (buf_size - pos > 0)
 390                         buf[pos++] = '\n';
 391         }
 392
 393         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 394         kfree(buf);
 395         return ret;
 396 }
 397
 398 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
 399                                          char __user *user_buf,
 400                                          size_t count, loff_t *ppos)
 401 {
 402         struct iwl_priv *priv = file->private_data;
 403         char *buf;
 404         int pos = 0;
 405         ssize_t ret = -ENOMEM;
 406
 407         ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
 408                                         priv, true, &buf, true);
 409         if (buf) {
 410                 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 411                 kfree(buf);
 412         }
 413         return ret;
 414 }
 415
 416 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
 417                                         const char __user *user_buf,
 418                                         size_t count, loff_t *ppos)
 419 {
 420         struct iwl_priv *priv = file->private_data;
 421         u32 event_log_flag;
 422         char buf[8];
 423         int buf_size;
 424
 425         memset(buf, 0, sizeof(buf));
 426         buf_size = min(count, sizeof(buf) -  1);
 427         if (copy_from_user(buf, user_buf, buf_size))
 428                 return -EFAULT;
 429         if (sscanf(buf, "%d", &event_log_flag) != 1)
 430                 return -EFAULT;
 431         if (event_log_flag == 1)
 432                 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
 433                                                         NULL, false);
 434
 435         return count;
 436 }
 437
 438
 439
 440 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 441                                        size_t count, loff_t *ppos)
 442 {
 443         struct iwl_priv *priv = file->private_data;
 444         struct ieee80211_channel *channels = NULL;
 445         const struct ieee80211_supported_band *supp_band = NULL;
 446         int pos = 0, i, bufsz = PAGE_SIZE;
 447         char *buf;
 448         ssize_t ret;
 449
 450         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
 451                 return -EAGAIN;
 452
 453         buf = kzalloc(bufsz, GFP_KERNEL);
 454         if (!buf) {
 455                 IWL_ERR(priv, "Can not allocate Buffer\n");
 456                 return -ENOMEM;
 457         }
 458
 459         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 460         if (supp_band) {
 461                 channels = supp_band->channels;
 462
 463                 pos += scnprintf(buf + pos, bufsz - pos,
 464                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 465                                 supp_band->n_channels);
 466
 467                 for (i = 0; i < supp_band->n_channels; i++)
 468                         pos += scnprintf(buf + pos, bufsz - pos,
 469                                         "%d: %ddBm: BSS%s%s, %s.\n",
 470                                         ieee80211_frequency_to_channel(
 471                                         channels[i].center_freq),
 472                                         channels[i].max_power,
 473                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 474                                         " (IEEE 802.11h required)" : "",
 475                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 476                                         || (channels[i].flags &
 477                                         IEEE80211_CHAN_RADAR)) ? "" :
 478                                         ", IBSS",
 479                                         channels[i].flags &
 480                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 481                                         "passive only" : "active/passive");
 482         }
 483         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 484         if (supp_band) {
 485                 channels = supp_band->channels;
 486
 487                 pos += scnprintf(buf + pos, bufsz - pos,
 488                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 489                                 supp_band->n_channels);
 490
 491                 for (i = 0; i < supp_band->n_channels; i++)
 492                         pos += scnprintf(buf + pos, bufsz - pos,
 493                                         "%d: %ddBm: BSS%s%s, %s.\n",
 494                                         ieee80211_frequency_to_channel(
 495                                         channels[i].center_freq),
 496                                         channels[i].max_power,
 497                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 498                                         " (IEEE 802.11h required)" : "",
 499                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 500                                         || (channels[i].flags &
 501                                         IEEE80211_CHAN_RADAR)) ? "" :
 502                                         ", IBSS",
 503                                         channels[i].flags &
 504                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 505                                         "passive only" : "active/passive");
 506         }
 507         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 508         kfree(buf);
 509         return ret;
 510 }
 511
 512 static ssize_t iwl_dbgfs_status_read(struct file *file,
 513                                                 char __user *user_buf,
 514                                                 size_t count, loff_t *ppos) {
 515
 516         struct iwl_priv *priv = file->private_data;
 517         char buf[512];
 518         int pos = 0;
 519         const size_t bufsz = sizeof(buf);
 520
 521         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
 522                 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
 523         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
 524                 test_bit(STATUS_INT_ENABLED, &priv->status));
 525         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 526                 test_bit(STATUS_RF_KILL_HW, &priv->status));
 527         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
 528                 test_bit(STATUS_CT_KILL, &priv->status));
 529         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
 530                 test_bit(STATUS_INIT, &priv->status));
 531         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 532                 test_bit(STATUS_ALIVE, &priv->status));
 533         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 534                 test_bit(STATUS_READY, &priv->status));
 535         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
 536                 test_bit(STATUS_TEMPERATURE, &priv->status));
 537         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 538                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
 539         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 540                 test_bit(STATUS_EXIT_PENDING, &priv->status));
 541         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 542                 test_bit(STATUS_STATISTICS, &priv->status));
 543         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 544                 test_bit(STATUS_SCANNING, &priv->status));
 545         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 546                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
 547         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 548                 test_bit(STATUS_SCAN_HW, &priv->status));
 549         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 550                 test_bit(STATUS_POWER_PMI, &priv->status));
 551         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 552                 test_bit(STATUS_FW_ERROR, &priv->status));
 553         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 554 }
 555
 556 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
 557                                         char __user *user_buf,
 558                                         size_t count, loff_t *ppos) {
 559
 560         struct iwl_priv *priv = file->private_data;
 561         int pos = 0;
 562         int cnt = 0;
 563         char *buf;
 564         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 565         ssize_t ret;
 566
 567         buf = kzalloc(bufsz, GFP_KERNEL);
 568         if (!buf) {
 569                 IWL_ERR(priv, "Can not allocate Buffer\n");
 570                 return -ENOMEM;
 571         }
 572
 573         pos += scnprintf(buf + pos, bufsz - pos,
 574                         "Interrupt Statistics Report:\n");
 575
 576         pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
 577                 priv->isr_stats.hw);
 578         pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
 579                 priv->isr_stats.sw);
 580         if (priv->isr_stats.sw > 0) {
 581                 pos += scnprintf(buf + pos, bufsz - pos,
 582                         "\tLast Restarting Code:  0x%X\n",
 583                         priv->isr_stats.sw_err);
 584         }
 585 #ifdef CONFIG_IWLWIFI_DEBUG
 586         pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
 587                 priv->isr_stats.sch);
 588         pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
 589                 priv->isr_stats.alive);
 590 #endif
 591         pos += scnprintf(buf + pos, bufsz - pos,
 592                 "HW RF KILL switch toggled:\t %u\n",
 593                 priv->isr_stats.rfkill);
 594
 595         pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
 596                 priv->isr_stats.ctkill);
 597
 598         pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
 599                 priv->isr_stats.wakeup);
 600
 601         pos += scnprintf(buf + pos, bufsz - pos,
 602                 "Rx command responses:\t\t %u\n",
 603                 priv->isr_stats.rx);
 604         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 605                 if (priv->isr_stats.rx_handlers[cnt] > 0)
 606                         pos += scnprintf(buf + pos, bufsz - pos,
 607                                 "\tRx handler[%36s]:\t\t %u\n",
 608                                 get_cmd_string(cnt),
 609                                 priv->isr_stats.rx_handlers[cnt]);
 610         }
 611
 612         pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
 613                 priv->isr_stats.tx);
 614
 615         pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
 616                 priv->isr_stats.unhandled);
 617
 618         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 619         kfree(buf);
 620         return ret;
 621 }
 622
 623 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
 624                                          const char __user *user_buf,
 625                                          size_t count, loff_t *ppos)
 626 {
 627         struct iwl_priv *priv = file->private_data;
 628         char buf[8];
 629         int buf_size;
 630         u32 reset_flag;
 631
 632         memset(buf, 0, sizeof(buf));
 633         buf_size = min(count, sizeof(buf) -  1);
 634         if (copy_from_user(buf, user_buf, buf_size))
 635                 return -EFAULT;
 636         if (sscanf(buf, "%x", &reset_flag) != 1)
 637                 return -EFAULT;
 638         if (reset_flag == 0)
 639                 iwl_clear_isr_stats(priv);
 640
 641         return count;
 642 }
 643
 644 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 645                                        size_t count, loff_t *ppos)
 646 {
 647         struct iwl_priv *priv = file->private_data;
 648         int pos = 0, i;
 649         char buf[256];
 650         const size_t bufsz = sizeof(buf);
 651
 652         for (i = 0; i < AC_NUM; i++) {
 653                 pos += scnprintf(buf + pos, bufsz - pos,
 654                         "\tcw_min\tcw_max\taifsn\ttxop\n");
 655                 pos += scnprintf(buf + pos, bufsz - pos,
 656                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 657                                 priv->qos_data.def_qos_parm.ac[i].cw_min,
 658                                 priv->qos_data.def_qos_parm.ac[i].cw_max,
 659                                 priv->qos_data.def_qos_parm.ac[i].aifsn,
 660                                 priv->qos_data.def_qos_parm.ac[i].edca_txop);
 661         }
 662         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 663 }
 664
 665 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
 666                                   size_t count, loff_t *ppos)
 667 {
 668         struct iwl_priv *priv = file->private_data;
 669         int pos = 0;
 670         char buf[256];
 671         const size_t bufsz = sizeof(buf);
 672
 673         pos += scnprintf(buf + pos, bufsz - pos,
 674                          "allow blinking: %s\n",
 675                          (priv->allow_blinking) ? "True" : "False");
 676         if (priv->allow_blinking) {
 677                 pos += scnprintf(buf + pos, bufsz - pos,
 678                                  "Led blinking rate: %u\n",
 679                                  priv->last_blink_rate);
 680                 pos += scnprintf(buf + pos, bufsz - pos,
 681                                  "Last blink time: %lu\n",
 682                                  priv->last_blink_time);
 683         }
 684
 685         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 686 }
 687
 688 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 689                                 char __user *user_buf,
 690                                 size_t count, loff_t *ppos)
 691 {
 692         struct iwl_priv *priv = file->private_data;
 693         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 694         struct iwl_tt_restriction *restriction;
 695         char buf[100];
 696         int pos = 0;
 697         const size_t bufsz = sizeof(buf);
 698
 699         pos += scnprintf(buf + pos, bufsz - pos,
 700                         "Thermal Throttling Mode: %s\n",
 701                         tt->advanced_tt ? "Advance" : "Legacy");
 702         pos += scnprintf(buf + pos, bufsz - pos,
 703                         "Thermal Throttling State: %d\n",
 704                         tt->state);
 705         if (tt->advanced_tt) {
 706                 restriction = tt->restriction + tt->state;
 707                 pos += scnprintf(buf + pos, bufsz - pos,
 708                                 "Tx mode: %d\n",
 709                                 restriction->tx_stream);
 710                 pos += scnprintf(buf + pos, bufsz - pos,
 711                                 "Rx mode: %d\n",
 712                                 restriction->rx_stream);
 713                 pos += scnprintf(buf + pos, bufsz - pos,
 714                                 "HT mode: %d\n",
 715                                 restriction->is_ht);
 716         }
 717         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 718 }
 719
 720 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 721                                          const char __user *user_buf,
 722                                          size_t count, loff_t *ppos)
 723 {
 724         struct iwl_priv *priv = file->private_data;
 725         char buf[8];
 726         int buf_size;
 727         int ht40;
 728
 729         memset(buf, 0, sizeof(buf));
 730         buf_size = min(count, sizeof(buf) -  1);
 731         if (copy_from_user(buf, user_buf, buf_size))
 732                 return -EFAULT;
 733         if (sscanf(buf, "%d", &ht40) != 1)
 734                 return -EFAULT;
 735         if (!iwl_is_associated(priv))
 736                 priv->disable_ht40 = ht40 ? true : false;
 737         else {
 738                 IWL_ERR(priv, "Sta associated with AP - "
 739                         "Change to 40MHz channel support is not allowed\n");
 740                 return -EINVAL;
 741         }
 742
 743         return count;
 744 }
 745
 746 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 747                                          char __user *user_buf,
 748                                          size_t count, loff_t *ppos)
 749 {
 750         struct iwl_priv *priv = file->private_data;
 751         char buf[100];
 752         int pos = 0;
 753         const size_t bufsz = sizeof(buf);
 754
 755         pos += scnprintf(buf + pos, bufsz - pos,
 756                         "11n 40MHz Mode: %s\n",
 757                         priv->disable_ht40 ? "Disabled" : "Enabled");
 758         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 759 }
 760
 761 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 762                                                     const char __user *user_buf,
 763                                                     size_t count, loff_t *ppos)
 764 {
 765         struct iwl_priv *priv = file->private_data;
 766         char buf[8];
 767         int buf_size;
 768         int value;
 769
 770         memset(buf, 0, sizeof(buf));
 771         buf_size = min(count, sizeof(buf) -  1);
 772         if (copy_from_user(buf, user_buf, buf_size))
 773                 return -EFAULT;
 774
 775         if (sscanf(buf, "%d", &value) != 1)
 776                 return -EINVAL;
 777
 778         /*
 779          * Our users expect 0 to be "CAM", but 0 isn't actually
 780          * valid here. However, let's not confuse them and present
 781          * IWL_POWER_INDEX_1 as "1", not "0".
 782          */
 783         if (value == 0)
 784                 return -EINVAL;
 785         else if (value > 0)
 786                 value -= 1;
 787
 788         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 789                 return -EINVAL;
 790
 791         if (!iwl_is_ready_rf(priv))
 792                 return -EAGAIN;
 793
 794         priv->power_data.debug_sleep_level_override = value;
 795
 796         mutex_lock(&priv->mutex);
 797         iwl_power_update_mode(priv, true);
 798         mutex_unlock(&priv->mutex);
 799
 800         return count;
 801 }
 802
 803 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 804                                                    char __user *user_buf,
 805                                                    size_t count, loff_t *ppos)
 806 {
 807         struct iwl_priv *priv = file->private_data;
 808         char buf[10];
 809         int pos, value;
 810         const size_t bufsz = sizeof(buf);
 811
 812         /* see the write function */
 813         value = priv->power_data.debug_sleep_level_override;
 814         if (value >= 0)
 815                 value += 1;
 816
 817         pos = scnprintf(buf, bufsz, "%d\n", value);
 818         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 819 }
 820
 821 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 822                                                     char __user *user_buf,
 823                                                     size_t count, loff_t *ppos)
 824 {
 825         struct iwl_priv *priv = file->private_data;
 826         char buf[200];
 827         int pos = 0, i;
 828         const size_t bufsz = sizeof(buf);
 829         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 830
 831         pos += scnprintf(buf + pos, bufsz - pos,
 832                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 833         pos += scnprintf(buf + pos, bufsz - pos,
 834                          "RX/TX timeout: %d/%d usec\n",
 835                          le32_to_cpu(cmd->rx_data_timeout),
 836                          le32_to_cpu(cmd->tx_data_timeout));
 837         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 838                 pos += scnprintf(buf + pos, bufsz - pos,
 839                                  "sleep_interval[%d]: %d\n", i,
 840                                  le32_to_cpu(cmd->sleep_interval[i]));
 841
 842         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 843 }
 844
 845 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 846 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
 847 DEBUGFS_READ_FILE_OPS(nvm);
 848 DEBUGFS_READ_FILE_OPS(stations);
 849 DEBUGFS_READ_FILE_OPS(channels);
 850 DEBUGFS_READ_FILE_OPS(status);
 851 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 852 DEBUGFS_READ_FILE_OPS(qos);
 853 DEBUGFS_READ_FILE_OPS(led);
 854 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 855 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 856 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 857 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 858
 859 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 860                                          char __user *user_buf,
 861                                          size_t count, loff_t *ppos)
 862 {
 863         struct iwl_priv *priv = file->private_data;
 864         int pos = 0, ofs = 0;
 865         int cnt = 0, entry;
 866         struct iwl_tx_queue *txq;
 867         struct iwl_queue *q;
 868         struct iwl_rx_queue *rxq = &priv->rxq;
 869         char *buf;
 870         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 871                 (priv->cfg->num_of_queues * 32 * 8) + 400;
 872         const u8 *ptr;
 873         ssize_t ret;
 874
 875         if (!priv->txq) {
 876                 IWL_ERR(priv, "txq not ready\n");
 877                 return -EAGAIN;
 878         }
 879         buf = kzalloc(bufsz, GFP_KERNEL);
 880         if (!buf) {
 881                 IWL_ERR(priv, "Can not allocate buffer\n");
 882                 return -ENOMEM;
 883         }
 884         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
 885         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 886                 txq = &priv->txq[cnt];
 887                 q = &txq->q;
 888                 pos += scnprintf(buf + pos, bufsz - pos,
 889                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
 890                                 cnt, q->read_ptr, q->write_ptr);
 891         }
 892         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
 893                 ptr = priv->tx_traffic;
 894                 pos += scnprintf(buf + pos, bufsz - pos,
 895                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 896                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 897                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 898                              entry++,  ofs += 16) {
 899                                 pos += scnprintf(buf + pos, bufsz - pos,
 900                                                 "0x%.4x ", ofs);
 901                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 902                                                    buf + pos, bufsz - pos, 0);
 903                                 pos += strlen(buf + pos);
 904                                 if (bufsz - pos > 0)
 905                                         buf[pos++] = '\n';
 906                         }
 907                 }
 908         }
 909
 910         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
 911         pos += scnprintf(buf + pos, bufsz - pos,
 912                         "read: %u, write: %u\n",
 913                          rxq->read, rxq->write);
 914
 915         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
 916                 ptr = priv->rx_traffic;
 917                 pos += scnprintf(buf + pos, bufsz - pos,
 918                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 919                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 920                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 921                              entry++,  ofs += 16) {
 922                                 pos += scnprintf(buf + pos, bufsz - pos,
 923                                                 "0x%.4x ", ofs);
 924                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 925                                                    buf + pos, bufsz - pos, 0);
 926                                 pos += strlen(buf + pos);
 927                                 if (bufsz - pos > 0)
 928                                         buf[pos++] = '\n';
 929                         }
 930                 }
 931         }
 932
 933         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 934         kfree(buf);
 935         return ret;
 936 }
 937
 938 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 939                                          const char __user *user_buf,
 940                                          size_t count, loff_t *ppos)
 941 {
 942         struct iwl_priv *priv = file->private_data;
 943         char buf[8];
 944         int buf_size;
 945         int traffic_log;
 946
 947         memset(buf, 0, sizeof(buf));
 948         buf_size = min(count, sizeof(buf) -  1);
 949         if (copy_from_user(buf, user_buf, buf_size))
 950                 return -EFAULT;
 951         if (sscanf(buf, "%d", &traffic_log) != 1)
 952                 return -EFAULT;
 953         if (traffic_log == 0)
 954                 iwl_reset_traffic_log(priv);
 955
 956         return count;
 957 }
 958
 959 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
 960                                                 char __user *user_buf,
 961                                                 size_t count, loff_t *ppos) {
 962
 963         struct iwl_priv *priv = file->private_data;
 964         struct iwl_tx_queue *txq;
 965         struct iwl_queue *q;
 966         char *buf;
 967         int pos = 0;
 968         int cnt;
 969         int ret;
 970         const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
 971
 972         if (!priv->txq) {
 973                 IWL_ERR(priv, "txq not ready\n");
 974                 return -EAGAIN;
 975         }
 976         buf = kzalloc(bufsz, GFP_KERNEL);
 977         if (!buf)
 978                 return -ENOMEM;
 979
 980         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 981                 txq = &priv->txq[cnt];
 982                 q = &txq->q;
 983                 pos += scnprintf(buf + pos, bufsz - pos,
 984                                 "hwq %.2d: read=%u write=%u stop=%d"
 985                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
 986                                 cnt, q->read_ptr, q->write_ptr,
 987                                 !!test_bit(cnt, priv->queue_stopped),
 988                                 txq->swq_id,
 989                                 txq->swq_id & 0x80 ? txq->swq_id & 3 :
 990                                 txq->swq_id,
 991                                 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
 992                                 0x1f : txq->swq_id);
 993                 if (cnt >= 4)
 994                         continue;
 995                 /* for the ACs, display the stop count too */
 996                 pos += scnprintf(buf + pos, bufsz - pos,
 997                                 "        stop-count: %d\n",
 998                                 atomic_read(&priv->queue_stop_count[cnt]));
 999         }
1000         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1001         kfree(buf);
1002         return ret;
1003 }
1004
1005 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1006                                                 char __user *user_buf,
1007                                                 size_t count, loff_t *ppos) {
1008
1009         struct iwl_priv *priv = file->private_data;
1010         struct iwl_rx_queue *rxq = &priv->rxq;
1011         char buf[256];
1012         int pos = 0;
1013         const size_t bufsz = sizeof(buf);
1014
1015         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1016                                                 rxq->read);
1017         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1018                                                 rxq->write);
1019         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1020                                                 rxq->free_count);
1021         pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1022                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
1023         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1024 }
1025
1026 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1027                                         char __user *user_buf,
1028                                         size_t count, loff_t *ppos)
1029 {
1030         struct iwl_priv *priv = file->private_data;
1031         return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
1032                         user_buf, count, ppos);
1033 }
1034
1035 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1036                                         char __user *user_buf,
1037                                         size_t count, loff_t *ppos)
1038 {
1039         struct iwl_priv *priv = file->private_data;
1040         return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
1041                         user_buf, count, ppos);
1042 }
1043
1044 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1045                                         char __user *user_buf,
1046                                         size_t count, loff_t *ppos)
1047 {
1048         struct iwl_priv *priv = file->private_data;
1049         return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
1050                         user_buf, count, ppos);
1051 }
1052
1053 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1054                                         char __user *user_buf,
1055                                         size_t count, loff_t *ppos) {
1056
1057         struct iwl_priv *priv = file->private_data;
1058         int pos = 0;
1059         int cnt = 0;
1060         char *buf;
1061         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1062         ssize_t ret;
1063         struct iwl_sensitivity_data *data;
1064
1065         data = &priv->sensitivity_data;
1066         buf = kzalloc(bufsz, GFP_KERNEL);
1067         if (!buf) {
1068                 IWL_ERR(priv, "Can not allocate Buffer\n");
1069                 return -ENOMEM;
1070         }
1071
1072         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1073                         data->auto_corr_ofdm);
1074         pos += scnprintf(buf + pos, bufsz - pos,
1075                         "auto_corr_ofdm_mrc:\t\t %u\n",
1076                         data->auto_corr_ofdm_mrc);
1077         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1078                         data->auto_corr_ofdm_x1);
1079         pos += scnprintf(buf + pos, bufsz - pos,
1080                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1081                         data->auto_corr_ofdm_mrc_x1);
1082         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1083                         data->auto_corr_cck);
1084         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1085                         data->auto_corr_cck_mrc);
1086         pos += scnprintf(buf + pos, bufsz - pos,
1087                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1088                         data->last_bad_plcp_cnt_ofdm);
1089         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1090                         data->last_fa_cnt_ofdm);
1091         pos += scnprintf(buf + pos, bufsz - pos,
1092                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1093                         data->last_bad_plcp_cnt_cck);
1094         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1095                         data->last_fa_cnt_cck);
1096         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1097                         data->nrg_curr_state);
1098         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1099                         data->nrg_prev_state);
1100         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1101         for (cnt = 0; cnt < 10; cnt++) {
1102                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1103                                 data->nrg_value[cnt]);
1104         }
1105         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1106         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1107         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1108                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1109                                 data->nrg_silence_rssi[cnt]);
1110         }
1111         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1112         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1113                         data->nrg_silence_ref);
1114         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1115                         data->nrg_energy_idx);
1116         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1117                         data->nrg_silence_idx);
1118         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1119                         data->nrg_th_cck);
1120         pos += scnprintf(buf + pos, bufsz - pos,
1121                         "nrg_auto_corr_silence_diff:\t %u\n",
1122                         data->nrg_auto_corr_silence_diff);
1123         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1124                         data->num_in_cck_no_fa);
1125         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1126                         data->nrg_th_ofdm);
1127
1128         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1129         kfree(buf);
1130         return ret;
1131 }
1132
1133
1134 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1135                                         char __user *user_buf,
1136                                         size_t count, loff_t *ppos) {
1137
1138         struct iwl_priv *priv = file->private_data;
1139         int pos = 0;
1140         int cnt = 0;
1141         char *buf;
1142         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1143         ssize_t ret;
1144         struct iwl_chain_noise_data *data;
1145
1146         data = &priv->chain_noise_data;
1147         buf = kzalloc(bufsz, GFP_KERNEL);
1148         if (!buf) {
1149                 IWL_ERR(priv, "Can not allocate Buffer\n");
1150                 return -ENOMEM;
1151         }
1152
1153         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1154                         data->active_chains);
1155         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1156                         data->chain_noise_a);
1157         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1158                         data->chain_noise_b);
1159         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1160                         data->chain_noise_c);
1161         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1162                         data->chain_signal_a);
1163         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1164                         data->chain_signal_b);
1165         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1166                         data->chain_signal_c);
1167         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1168                         data->beacon_count);
1169
1170         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1171         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1172                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1173                                 data->disconn_array[cnt]);
1174         }
1175         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1176         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1177         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1178                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1179                                 data->delta_gain_code[cnt]);
1180         }
1181         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1182         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1183                         data->radio_write);
1184         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1185                         data->state);
1186
1187         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1188         kfree(buf);
1189         return ret;
1190 }
1191
1192 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1193                                                     char __user *user_buf,
1194                                                     size_t count, loff_t *ppos)
1195 {
1196         struct iwl_priv *priv = file->private_data;
1197         char buf[60];
1198         int pos = 0;
1199         const size_t bufsz = sizeof(buf);
1200         u32 pwrsave_status;
1201
1202         pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1203                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1204
1205         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1206         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1207                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1208                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1209                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1210                 "error");
1211
1212         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1213 }
1214
1215 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1216                                          const char __user *user_buf,
1217                                          size_t count, loff_t *ppos)
1218 {
1219         struct iwl_priv *priv = file->private_data;
1220         char buf[8];
1221         int buf_size;
1222         int clear;
1223
1224         memset(buf, 0, sizeof(buf));
1225         buf_size = min(count, sizeof(buf) -  1);
1226         if (copy_from_user(buf, user_buf, buf_size))
1227                 return -EFAULT;
1228         if (sscanf(buf, "%d", &clear) != 1)
1229                 return -EFAULT;
1230
1231         /* make request to uCode to retrieve statistics information */
1232         mutex_lock(&priv->mutex);
1233         iwl_send_statistics_request(priv, CMD_SYNC, true);
1234         mutex_unlock(&priv->mutex);
1235
1236         return count;
1237 }
1238
1239 static ssize_t iwl_dbgfs_csr_write(struct file *file,
1240                                          const char __user *user_buf,
1241                                          size_t count, loff_t *ppos)
1242 {
1243         struct iwl_priv *priv = file->private_data;
1244         char buf[8];
1245         int buf_size;
1246         int csr;
1247
1248         memset(buf, 0, sizeof(buf));
1249         buf_size = min(count, sizeof(buf) -  1);
1250         if (copy_from_user(buf, user_buf, buf_size))
1251                 return -EFAULT;
1252         if (sscanf(buf, "%d", &csr) != 1)
1253                 return -EFAULT;
1254
1255         if (priv->cfg->ops->lib->dump_csr)
1256                 priv->cfg->ops->lib->dump_csr(priv);
1257
1258         return count;
1259 }
1260
1261 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1262                                         char __user *user_buf,
1263                                         size_t count, loff_t *ppos) {
1264
1265         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1266         int pos = 0;
1267         char buf[128];
1268         const size_t bufsz = sizeof(buf);
1269
1270         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1271                         priv->event_log.ucode_trace ? "On" : "Off");
1272         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1273                         priv->event_log.non_wraps_count);
1274         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1275                         priv->event_log.wraps_once_count);
1276         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1277                         priv->event_log.wraps_more_count);
1278
1279         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1280 }
1281
1282 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1283                                          const char __user *user_buf,
1284                                          size_t count, loff_t *ppos)
1285 {
1286         struct iwl_priv *priv = file->private_data;
1287         char buf[8];
1288         int buf_size;
1289         int trace;
1290
1291         memset(buf, 0, sizeof(buf));
1292         buf_size = min(count, sizeof(buf) -  1);
1293         if (copy_from_user(buf, user_buf, buf_size))
1294                 return -EFAULT;
1295         if (sscanf(buf, "%d", &trace) != 1)
1296                 return -EFAULT;
1297
1298         if (trace) {
1299                 priv->event_log.ucode_trace = true;
1300                 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1301                 mod_timer(&priv->ucode_trace,
1302                         jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1303         } else {
1304                 priv->event_log.ucode_trace = false;
1305                 del_timer_sync(&priv->ucode_trace);
1306         }
1307
1308         return count;
1309 }
1310
1311 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1312                                          char __user *user_buf,
1313                                          size_t count, loff_t *ppos) {
1314
1315         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1316         int len = 0;
1317         char buf[20];
1318
1319         len = sprintf(buf, "0x%04X\n", le32_to_cpu(priv->active_rxon.flags));
1320         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1321 }
1322
1323 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1324                                                 char __user *user_buf,
1325                                                 size_t count, loff_t *ppos) {
1326
1327         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1328         int len = 0;
1329         char buf[20];
1330
1331         len = sprintf(buf, "0x%04X\n",
1332                       le32_to_cpu(priv->active_rxon.filter_flags));
1333         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1334 }
1335
1336 static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
1337                                          char __user *user_buf,
1338                                          size_t count, loff_t *ppos)
1339 {
1340         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1341         char *buf;
1342         int pos = 0;
1343         ssize_t ret = -EFAULT;
1344
1345         if (priv->cfg->ops->lib->dump_fh) {
1346                 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
1347                 if (buf) {
1348                         ret = simple_read_from_buffer(user_buf,
1349                                                       count, ppos, buf, pos);
1350                         kfree(buf);
1351                 }
1352         }
1353
1354         return ret;
1355 }
1356
1357 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1358                                         char __user *user_buf,
1359                                         size_t count, loff_t *ppos) {
1360
1361         struct iwl_priv *priv = file->private_data;
1362         int pos = 0;
1363         char buf[12];
1364         const size_t bufsz = sizeof(buf);
1365
1366         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1367                         priv->missed_beacon_threshold);
1368
1369         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1370 }
1371
1372 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1373                                          const char __user *user_buf,
1374                                          size_t count, loff_t *ppos)
1375 {
1376         struct iwl_priv *priv = file->private_data;
1377         char buf[8];
1378         int buf_size;
1379         int missed;
1380
1381         memset(buf, 0, sizeof(buf));
1382         buf_size = min(count, sizeof(buf) -  1);
1383         if (copy_from_user(buf, user_buf, buf_size))
1384                 return -EFAULT;
1385         if (sscanf(buf, "%d", &missed) != 1)
1386                 return -EINVAL;
1387
1388         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1389             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1390                 priv->missed_beacon_threshold =
1391                         IWL_MISSED_BEACON_THRESHOLD_DEF;
1392         else
1393                 priv->missed_beacon_threshold = missed;
1394
1395         return count;
1396 }
1397
1398 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
1399                                         char __user *user_buf,
1400                                         size_t count, loff_t *ppos) {
1401
1402         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1403         int pos = 0;
1404         char buf[12];
1405         const size_t bufsz = sizeof(buf);
1406
1407         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
1408                         priv->cfg->plcp_delta_threshold);
1409
1410         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1411 }
1412
1413 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
1414                                         const char __user *user_buf,
1415                                         size_t count, loff_t *ppos) {
1416
1417         struct iwl_priv *priv = file->private_data;
1418         char buf[8];
1419         int buf_size;
1420         int plcp;
1421
1422         memset(buf, 0, sizeof(buf));
1423         buf_size = min(count, sizeof(buf) -  1);
1424         if (copy_from_user(buf, user_buf, buf_size))
1425                 return -EFAULT;
1426         if (sscanf(buf, "%d", &plcp) != 1)
1427                 return -EINVAL;
1428         if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
1429                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
1430                 priv->cfg->plcp_delta_threshold =
1431                         IWL_MAX_PLCP_ERR_THRESHOLD_DEF;
1432         else
1433                 priv->cfg->plcp_delta_threshold = plcp;
1434         return count;
1435 }
1436
1437 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
1438                                         char __user *user_buf,
1439                                         size_t count, loff_t *ppos) {
1440
1441         struct iwl_priv *priv = file->private_data;
1442         int i, pos = 0;
1443         char buf[300];
1444         const size_t bufsz = sizeof(buf);
1445         struct iwl_force_reset *force_reset;
1446
1447         for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
1448                 force_reset = &priv->force_reset[i];
1449                 pos += scnprintf(buf + pos, bufsz - pos,
1450                                 "Force reset method %d\n", i);
1451                 pos += scnprintf(buf + pos, bufsz - pos,
1452                                 "\tnumber of reset request: %d\n",
1453                                 force_reset->reset_request_count);
1454                 pos += scnprintf(buf + pos, bufsz - pos,
1455                                 "\tnumber of reset request success: %d\n",
1456                                 force_reset->reset_success_count);
1457                 pos += scnprintf(buf + pos, bufsz - pos,
1458                                 "\tnumber of reset request reject: %d\n",
1459                                 force_reset->reset_reject_count);
1460                 pos += scnprintf(buf + pos, bufsz - pos,
1461                                 "\treset duration: %lu\n",
1462                                 force_reset->reset_duration);
1463         }
1464         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1465 }
1466
1467 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
1468                                         const char __user *user_buf,
1469                                         size_t count, loff_t *ppos) {
1470
1471         struct iwl_priv *priv = file->private_data;
1472         char buf[8];
1473         int buf_size;
1474         int reset, ret;
1475
1476         memset(buf, 0, sizeof(buf));
1477         buf_size = min(count, sizeof(buf) -  1);
1478         if (copy_from_user(buf, user_buf, buf_size))
1479                 return -EFAULT;
1480         if (sscanf(buf, "%d", &reset) != 1)
1481                 return -EINVAL;
1482         switch (reset) {
1483         case IWL_RF_RESET:
1484         case IWL_FW_RESET:
1485                 ret = iwl_force_reset(priv, reset);
1486                 break;
1487         default:
1488                 return -EINVAL;
1489         }
1490         return ret ? ret : count;
1491 }
1492
1493 DEBUGFS_READ_FILE_OPS(rx_statistics);
1494 DEBUGFS_READ_FILE_OPS(tx_statistics);
1495 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1496 DEBUGFS_READ_FILE_OPS(rx_queue);
1497 DEBUGFS_READ_FILE_OPS(tx_queue);
1498 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1499 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1500 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1501 DEBUGFS_READ_FILE_OPS(sensitivity);
1502 DEBUGFS_READ_FILE_OPS(chain_noise);
1503 DEBUGFS_READ_FILE_OPS(power_save_status);
1504 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1505 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
1506 DEBUGFS_WRITE_FILE_OPS(csr);
1507 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1508 DEBUGFS_READ_FILE_OPS(fh_reg);
1509 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
1510 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
1511 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
1512 DEBUGFS_READ_FILE_OPS(rxon_flags);
1513 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
1514
1515 /*
1516  * Create the debugfs files and directories
1517  *
1518  */
1519 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1520 {
1521         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1522         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
1523
1524         dir_drv = debugfs_create_dir(name, phyd);
1525         if (!dir_drv)
1526                 return -ENOMEM;
1527
1528         priv->debugfs_dir = dir_drv;
1529
1530         dir_data = debugfs_create_dir("data", dir_drv);
1531         if (!dir_data)
1532                 goto err;
1533         dir_rf = debugfs_create_dir("rf", dir_drv);
1534         if (!dir_rf)
1535                 goto err;
1536         dir_debug = debugfs_create_dir("debug", dir_drv);
1537         if (!dir_debug)
1538                 goto err;
1539
1540         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
1541         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
1542         DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
1543         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
1544         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
1545         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
1546         DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
1547         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
1548         DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
1549         if (!priv->cfg->broken_powersave) {
1550                 DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
1551                                  S_IWUSR | S_IRUSR);
1552                 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
1553         }
1554         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
1555         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
1556         DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
1557         DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
1558         DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
1559         DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
1560         DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
1561         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
1562         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
1563         DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
1564         DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
1565         DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
1566         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
1567         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
1568         DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
1569         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
1570         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
1571         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
1572
1573         if (priv->cfg->sensitivity_calib_by_driver)
1574                 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
1575         if (priv->cfg->chain_noise_calib_by_driver)
1576                 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
1577         if (priv->cfg->ucode_tracing)
1578                 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
1579         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
1580         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
1581         if (priv->cfg->sensitivity_calib_by_driver)
1582                 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
1583                                  &priv->disable_sens_cal);
1584         if (priv->cfg->chain_noise_calib_by_driver)
1585                 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
1586                                  &priv->disable_chain_noise_cal);
1587         if (priv->cfg->tx_power_by_driver)
1588                 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
1589                                 &priv->disable_tx_power_cal);
1590         return 0;
1591
1592 err:
1593         IWL_ERR(priv, "Can't create the debugfs directory\n");
1594         iwl_dbgfs_unregister(priv);
1595         return -ENOMEM;
1596 }
1597 EXPORT_SYMBOL(iwl_dbgfs_register);
1598
1599 /**
1600  * Remove the debugfs files and directories
1601  *
1602  */
1603 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1604 {
1605         if (!priv->debugfs_dir)
1606                 return;
1607
1608         debugfs_remove_recursive(priv->debugfs_dir);
1609         priv->debugfs_dir = NULL;
1610 }
1611 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1612
1613
1614